AECOM-Led Joint Venture to oversee Amtrak’s Sawtooth Bridges Replacement on Northeast Corridor, US January 2, 2025 | News, North America News Amtrak has selected a joint venture (JV) between AECOM and STV to manage the Sawtooth Bridges Replacement Project on the Northeast Corridor (NEC). This initiative is a key component of the Gateway Pro... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password